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Enbridge Energy Company is a Superior, WI-based company in the Energy and Utilities sector.
Point Energy Partners is a company focused on the sustainable development of oil and gas resources across the United States.
The Subsurface Group is a Houston, TX-based company in the Energy and Utilities sector.
General Oil Company is a Livonia, MI-based company in the Energy and Utilities sector.
Shell Oil Company is the United States-based wholly owned subsidiary of Royal Dutch Shell, a transnational corporation "oil major" of Anglo-Dutch origins, which is amongst the largest oil companies in the world.